Numericals

vol. of eye ball--6.5ml
wt of eye ball--6.8 gms
vol of orbit--30ml
A.P  diameter --24mm
doctor-1/3500
health worker--1/5000
trained dai--1/1000
ASHA-1/1000
village health guide--1/1000
pharmacist n lab technician---1/10000
classroom--1/40student
furniture --minus desk
doors& windows---25%floor area
urinal--1/60studen
latrine--1/100studen
beds in PHC --4-6/30000
CHC--30/LAKH